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When to plant / New York

When to plant swiss chard in New York

It’s based on areas with last spring frost around May 20 and first fall frost around October 1. Dates below are the outdoor ranges printed in that table, not a conversion into weeks before frost.

Source: Cornell University, Cornell Vegetables, Vegetable planting dates for Upstate New York, retrieved 2026-10-10.

How this page reads that source: Upstate New York table range 4/15-7/31, for last spring frost around May 20 and first fall frost around October 1.

Upstate

  • Apr 15–Jul 31 (April 15–July 31).

City frost pages in New York are listed on New York.